SQL Clone
SQLServerCentral is supported by Redgate
 
Log in  ::  Register  ::  Not logged in
 
 
 


Coalesce and Conversion


Coalesce and Conversion

Author
Message
Tom Thomson
Tom Thomson
SSCoach
SSCoach (17K reputation)SSCoach (17K reputation)SSCoach (17K reputation)SSCoach (17K reputation)SSCoach (17K reputation)SSCoach (17K reputation)SSCoach (17K reputation)SSCoach (17K reputation)

Group: General Forum Members
Points: 17416 Visits: 12331
Comments posted to this topic are about the item Coalesce and Conversion

Tom

demonfox
demonfox
SSCommitted
SSCommitted (1.7K reputation)SSCommitted (1.7K reputation)SSCommitted (1.7K reputation)SSCommitted (1.7K reputation)SSCommitted (1.7K reputation)SSCommitted (1.7K reputation)SSCommitted (1.7K reputation)SSCommitted (1.7K reputation)

Group: General Forum Members
Points: 1711 Visits: 1192
I missed it completely Sad
. no regret , learned something .

Also, I am glad to see that on aswering the question, equation for right and wrong is 0% and 100 %

Thanks for the question ..

~ demonfox
___________________________________________________________________
Wondering what I would do next , when I am done with this one Ermm
SQLRNNR
SQLRNNR
SSC-Forever
SSC-Forever (40K reputation)SSC-Forever (40K reputation)SSC-Forever (40K reputation)SSC-Forever (40K reputation)SSC-Forever (40K reputation)SSC-Forever (40K reputation)SSC-Forever (40K reputation)SSC-Forever (40K reputation)

Group: General Forum Members
Points: 40245 Visits: 18565
Thanks for the question.



Jason AKA CirqueDeSQLeil
I have given a name to my pain...
MCM SQL Server, MVP


SQL RNNR

Posting Performance Based Questions - Gail Shaw

rals
rals
SSCrazy
SSCrazy (2.2K reputation)SSCrazy (2.2K reputation)SSCrazy (2.2K reputation)SSCrazy (2.2K reputation)SSCrazy (2.2K reputation)SSCrazy (2.2K reputation)SSCrazy (2.2K reputation)SSCrazy (2.2K reputation)

Group: General Forum Members
Points: 2189 Visits: 843
Nice Question. Learnt something for today.

Regards,
Rals
.

Dineshbabu
Dineshbabu
Ten Centuries
Ten Centuries (1.3K reputation)Ten Centuries (1.3K reputation)Ten Centuries (1.3K reputation)Ten Centuries (1.3K reputation)Ten Centuries (1.3K reputation)Ten Centuries (1.3K reputation)Ten Centuries (1.3K reputation)Ten Centuries (1.3K reputation)

Group: General Forum Members
Points: 1302 Visits: 569
still now i thought COALESCE will return the datatype of Non NUll value. Today only i learnt it will consider the highest percedence..

Thanks to author for posting nice qstn..

--
Dineshbabu
Desire to learn new things..
Koen Verbeeck
Koen Verbeeck
SSC-Dedicated
SSC-Dedicated (34K reputation)SSC-Dedicated (34K reputation)SSC-Dedicated (34K reputation)SSC-Dedicated (34K reputation)SSC-Dedicated (34K reputation)SSC-Dedicated (34K reputation)SSC-Dedicated (34K reputation)SSC-Dedicated (34K reputation)

Group: General Forum Members
Points: 34185 Visits: 13270
Great and very interesting question. Thanks Tom!


How to post forum questions.
Need an answer? No, you need a question.
What’s the deal with Excel & SSIS?
My blog at SQLKover.

MCSE Business Intelligence - Microsoft Data Platform MVP
Carlo Romagnano
Carlo Romagnano
SSCertifiable
SSCertifiable (5.8K reputation)SSCertifiable (5.8K reputation)SSCertifiable (5.8K reputation)SSCertifiable (5.8K reputation)SSCertifiable (5.8K reputation)SSCertifiable (5.8K reputation)SSCertifiable (5.8K reputation)SSCertifiable (5.8K reputation)

Group: General Forum Members
Points: 5824 Visits: 3340
I prefer ISNULL, the cast is done to the first argument.
I use it e.g. with numeric type ISNULL(int_null,0). But, I should remember that with string ISNULL may be dangerous as in this case:
declare @c varchar(1)
select ISNULL(@c,'N/D')
Result:
N
instead of N/D

I run on tuttopodismo
(Bob Brown)
(Bob Brown)
SSC Eights!
SSC Eights! (957 reputation)SSC Eights! (957 reputation)SSC Eights! (957 reputation)SSC Eights! (957 reputation)SSC Eights! (957 reputation)SSC Eights! (957 reputation)SSC Eights! (957 reputation)SSC Eights! (957 reputation)

Group: General Forum Members
Points: 957 Visits: 1145
Thanks for the great question! A true learning question with no controversy.
Rune Bivrin
Rune Bivrin
SSCarpal Tunnel
SSCarpal Tunnel (4K reputation)SSCarpal Tunnel (4K reputation)SSCarpal Tunnel (4K reputation)SSCarpal Tunnel (4K reputation)SSCarpal Tunnel (4K reputation)SSCarpal Tunnel (4K reputation)SSCarpal Tunnel (4K reputation)SSCarpal Tunnel (4K reputation)

Group: General Forum Members
Points: 4007 Visits: 1515
Well, the question is a good one, and I got it right, but if I see code like that I reach for the shot gun.


Just because you're right doesn't mean everybody else is wrong.
mtassin
mtassin
SSCertifiable
SSCertifiable (5.3K reputation)SSCertifiable (5.3K reputation)SSCertifiable (5.3K reputation)SSCertifiable (5.3K reputation)SSCertifiable (5.3K reputation)SSCertifiable (5.3K reputation)SSCertifiable (5.3K reputation)SSCertifiable (5.3K reputation)

Group: General Forum Members
Points: 5334 Visits: 72521
Koen Verbeeck (1/8/2013)
Great and very interesting question. Thanks Tom!


+1 I must agree... was a lot of fun to sit there pondering if all of the various data types would be compatible with each other. Now where did I put that Ibuprofen? heh



--Mark Tassin
MCITP - SQL Server DBA
Proud member of the Anti-RBAR alliance.
For help with Performance click this link
For tips on how to post your problems
Go


Permissions

You can't post new topics.
You can't post topic replies.
You can't post new polls.
You can't post replies to polls.
You can't edit your own topics.
You can't delete your own topics.
You can't edit other topics.
You can't delete other topics.
You can't edit your own posts.
You can't edit other posts.
You can't delete your own posts.
You can't delete other posts.
You can't post events.
You can't edit your own events.
You can't edit other events.
You can't delete your own events.
You can't delete other events.
You can't send private messages.
You can't send emails.
You can read topics.
You can't vote in polls.
You can't upload attachments.
You can download attachments.
You can't post HTML code.
You can't edit HTML code.
You can't post IFCode.
You can't post JavaScript.
You can post emoticons.
You can't post or upload images.

Select a forum

































































































































































SQLServerCentral


Search